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1. WO2018015067 - WIPER UNIT FOR A MOTOR VEHICLE, AND CONTROL METHOD

Publication Number WO/2018/015067
Publication Date 25.01.2018
International Application No. PCT/EP2017/064154
International Filing Date 09.06.2017
IPC
B60S 1/08 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
1Cleaning of vehicles
02Cleaning windscreens, windows, or optical devices
04Wipers or the like, e.g. scrapers
06characterised by the drive
08electrically driven
CPC
B60S 1/08
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
1Cleaning of vehicles
02Cleaning windscreens, windows or optical devices
04Wipers or the like, e.g. scrapers
06characterised by the drive
08electrically driven
B60S 1/166
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
1Cleaning of vehicles
02Cleaning windscreens, windows or optical devices
04Wipers or the like, e.g. scrapers
06characterised by the drive
16Means for transmitting drive
166characterised by the combination of a motor-reduction unit and a mechanism for converting rotary into oscillatory movement
Applicants
  • VALEO SYSTÈMES D'ESSUYAGE [FR]/[FR]
Inventors
  • VILLEMIN, Grégory
  • KONIEC, Aymeric
  • DEBLAUWE, Benjamin
  • CHENG, Thierry
Agents
  • VINCENT, Catherine
Priority Data
165681318.07.2016FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) WIPER UNIT FOR A MOTOR VEHICLE, AND CONTROL METHOD
(FR) UNITE D'ESSUYAGE POUR VEHICULE AUTOMOBILE ET PROCEDE DE COMMANDE
Abstract
(EN)
The invention relates to a motor vehicle wiper unit (1) comprising: – at least one motor (2) configured to drive at least one wiper (5, 6) in a back-and-forth movement across a glazed surface (11) of the motor vehicle, – at least one reduction gear (3) arranged at the output of the motor (2), and – a controller (4) configured to determine a motor command (C), characterized in that the controller (4) is configurred to determine the motor command (C) by taking into consideration at least one variable parameter associated with the efficiency of the reduction gear (3) so as to counteract the variation in efficiency of the reduction gear (3) by modifying the amount of electrical energy to be supplied to the motor (2). The present invention also relates to a method for controlling the rotational speed of a motor for driving at least one wiper in a back-and-forth movement across a glazed surface of a motor vehicle.
(FR)
L'invention concerne une unité d'essuyage (1) pour véhicule automobile comprenant : - au moins un moteur (2) configuré pour entrainer au moins un essuie-glace (5, 6) selon un mouvement de va-et-vient sur une surface vitrée (11) de véhicule automobile, - au moins un réducteur (3) agencé en sortie du moteur (2), et - un contrôleur (4) configuré pour déterminer une commande du moteur (C), caractérisée en ce que le contrôleur (4) est configuré pour déterminer la commande du moteur (C) en prenant en compte au moins un paramètre variable lié à l'efficacité du réducteur (3) de manière à contrebalancer la variation de l'efficacité du réducteur (3) par une modification de l'énergie électrique à fournir au moteur (2). La présente invention concerne également un procédé de commande de la vitesse de rotation d'un moteur d'entrainement d'au moins un essuie-glace selon un mouvement de va-et-vient sur une surface vitrée de véhicule automobile.
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